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             ACOUSTICAL1 
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             Operating Frequency Range2 
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             55 Hz – 20 kHz 
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            Frequency Response3 
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            66 Hz   – 18 kHz ±4 dB 
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            Phase Response 
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            750 Hz – 18 kHz ±45 degrees 
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            Linear Peak SPL4 
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            125 dB with 18 dB crest factor (M-noise), 122.5 dB (Pink noise), 125 dB (B‑noise) 
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             COVERAGE5 
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             50° x 80° or 80° x 50° (rotatable horn) 
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             TRANSDUCERS 
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             Low Frequency 
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             One 10‑inch cone driver; 4 & OMEGA; nominal impedance 
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            High Frequency 
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            One 3‑inch diaphragm compression driver; 16 Ω nominal impedance 
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             AUDIO INPUT 
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             Type 
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             Differential, electronically   balanced 
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            Maximum Common Mode Range 
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            ±15 V DC, clamped to earth for voltage transient protection 
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            Connectors 
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            Phoenix 5‑pin Male; SwitchCraft 5‑pin Male; ECO‑M 7‑pin Male (two pins for 48 V DC power, three pins for   balanced   audio) 
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            Input Impedance 
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            10 kΩ differential between positive (+) and negative (–) audio pins 
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            Wiring6 
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             Phoenix 5‑pin Male Pin 1: DC Power (‑) Pin 2: DC Power (+) 
            Pin 3:   Chassis/earth through 
            1 kΩ, 1000 pF, 15 V clamp network to provide virtual ground   lift at   audio frequencies 
            Pin 4: Audio (‑) 
              
            Pin 5: Audio (+) 
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             SwitchCraft EN3 5‑pin Male Pin 1: DC Power (‑) 
            Pin 2: DC Power (+) 
              
            Pin 3:   Chassis/earth through 
            1 kΩ, 1000 pF, 15 V clamp network to provide virtual ground   lift at   audio frequencies 
            Pin 4: Audio (‑) 
              
            Pin 5: Audio (+) 
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             ECO‑M 7‑pin Male5 Pin 1: DC Power (‑) Pin 2: DC Power (+) 
            Pin S:   Chassis/earth through 1 kΩ, 1000 pF, 15 V clamp network to provide virtual ground lift at audio frequencies 
            Pin 5: Audio (‑) 
              
            Pin 6: Audio (+) 
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            Nominal Input Sensitivity 
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            0 dBV (1.0 V rms) continuous is typically the onset of limiting for noise and music 
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            Input Level 
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            Audio source must be capable of producing of +20 dBV (10 V rms) into 600 Ω to produce the maximum peak SPL over the operating bandwidth of the loudspeaker. 
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             AMPLIFIER 
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             Type 
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             2‑channel, Class‑D 
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            Total Output Power7 
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            550 W peak 
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            THD, IM, TIM 
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            < 0.02% 
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            Cooling 
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            Convection 
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             DC POWER 
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            Connector 
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             Phoenix 5‑pin Male; SwitchCraft 5‑pin Male; ECO‑M 7‑pin Male (two pins for 48 V DC power, three pins for   balanced   audio) 
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            Safety Rated Voltage Range 
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            48 V DC 
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             RMS NETWORK (OPTIONAL ON REQUIRED MPS-488HP POWER SUPPLY)) 
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             Equipped with two‑conductor   twisted‑pair network,   reporting all   operating parameters   of amplifiers to system operator’s   host computer. 
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